About 90 firefighters were called to a major factory blaze in the early hours of Wednesday morning.
Northamptonshire Fire and Rescue Service has confirmed 16 crews were called to Quality Nut Products Ltd at Cavalry Hill Industrial Park in Weedon at about 3.30am where a “substantial fire” had broken out in one of the buildings.
A spokesman said: “The fire has now been contained with minimal lasting impact to surrounding businesses and properties.
“Damping down will continue.”
The fire service have asked nearby Weedon Bec Primary School in West Street to keep the children inside until lunchtime and keep all doors and windows shut.